Home  
Site Partners: SpotterGuides Veloce Books  
Related Sites: Your Link Here  

Go Back   TenTenths Motorsport Forum > Racing Talk > Motorsport Art & Photography

Reply
 
Thread Tools Display Modes
Old 11 Aug 2015, 22:30 (Ref:3565438)   #1
bella
Race Official
Veteran
 
bella's Avatar
 
Join Date: Dec 1998
France
Posts: 16,760
bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!
dodgy focussing on a nikon lens (or camera?)

hello kids,

i'm having a little trouble with my lens. it's a (this is what it says on it) af vr-nikkor 80-400mm, attached to a couple of year old nikon d7000.

the focussing has absolutely gone to poop the past few times i've tried to use it. i mean, it's trying but i don't think it's focussed perfectly anywhere on the photo. i've changed nothing, and done nothing differently since it actually worked, the light has been of the same quality. i've never used manual focus - the first time i took it out it threw itself across the car during an emergency brake procedure and that seems to have knocked something out. it used to focus fine - obviously not pro glass standards but now it just looks rubbish.

can anyone shed some light on whether it's the lens or the camera that might be at fault? any feedback very much appreciated before i take it to silverstone in september and it roundly shames my skillz. even more than i shame them myself
bella is offline  
__________________
devils advocate in-chief and professional arguer of both sides
Quote
Old 12 Aug 2015, 12:14 (Ref:3565562)   #2
Tim Falce
Race Official
Veteran
 
Tim Falce's Avatar
 
Join Date: May 2003
England
Very edge of S E London almost in Kent
Posts: 11,141
Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!
Daft question but do you still have the focusing rectangle visible in the viewfinder and where you want it and is the switch on the side of the camera on AF or M? Does the lens have a motor in it? You could take it to a camera shop or Dixons and try another lens on it to check if it's the camera or lens, I'd suspect the body.
Tim Falce is offline  
Quote
Old 12 Aug 2015, 12:38 (Ref:3565570)   #3
bella
Race Official
Veteran
 
bella's Avatar
 
Join Date: Dec 1998
France
Posts: 16,760
bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!
not a daft question at all! it's all still focussing as normal, i tend to shift the autofocus point around depending on what shot i'm doing so i'm pretty aware of that, and the autofocus does shift around (i think it's on continuous). the switch is on af, iirc, but i'll check when i get home!

the only way i can describe it is that it's as if i'm using my 15 year old d70 again. it's as bad with stationary stuff as it is chasing things.
bella is offline  
__________________
devils advocate in-chief and professional arguer of both sides
Quote
Old 12 Aug 2015, 17:18 (Ref:3565615)   #4
Tim Falce
Race Official
Veteran
 
Tim Falce's Avatar
 
Join Date: May 2003
England
Very edge of S E London almost in Kent
Posts: 11,141
Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!Tim Falce is going for a new world record!
Does the lens have a motor in it, if that's as new as the camera I'll assume it has.
Is the focusing laboured or does it sound OK albeit slow, and does it hunt backward and forward before finding something to focus on?
The only thing that springs to mind is maybe the focus drive has bent when it went flying but I can't see how. Have you tried it with a different lens on? are the images still OK, I.E. sharp?
Tim Falce is offline  
Quote
Old 12 Aug 2015, 17:33 (Ref:3565619)   #5
GORDON STREETER
Veteran
 
GORDON STREETER's Avatar
 
Join Date: Nov 2006
Spain
Kent+Mojacar Spain, but not always ?
Posts: 9,400
GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!GORDON STREETER is going for a new world record!
Bella PM sent.
GORDON STREETER is online now  
__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa !
Quote
Old 12 Aug 2015, 20:35 (Ref:3565646)   #6
MikeHoyer
Veteran
 
MikeHoyer's Avatar
 
Join Date: Jun 2004
United Kingdom
Northampton, UK
Posts: 2,748
MikeHoyer should be qualifying in the top 5 on the gridMikeHoyer should be qualifying in the top 5 on the gridMikeHoyer should be qualifying in the top 5 on the grid
Sounds like something has probably become dislodged in the lens - try it with another one to eliminate the camera, then attempt to bodge it yourself.

Only joking, take it to a repair shop!
MikeHoyer is offline  
__________________
Renault/MSA Young Photographer of the Year 2006
Quote
Old 12 Aug 2015, 20:45 (Ref:3565653)   #7
bella
Race Official
Veteran
 
bella's Avatar
 
Join Date: Dec 1998
France
Posts: 16,760
bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!bella is the undisputed Champion of the World!
Quote:
Originally Posted by Tim Falce View Post
Does the lens have a motor in it, if that's as new as the camera I'll assume it has.
Is the focusing laboured or does it sound OK albeit slow, and does it hunt backward and forward before finding something to focus on?
The only thing that springs to mind is maybe the focus drive has bent when it went flying but I can't see how. Have you tried it with a different lens on? are the images still OK, I.E. sharp?
the lens is about 10 years old, but i think you're right, it has. the focussing isn't laboured, and it doesn't "hunt" for a focus lock any more than it normally does.

good point about trying it with another lens, i've got a shorter one for it that should produce similar results so i'll try that out at some point in the next few days.

it went flying about 6 years ago, so i'd be impressed if it's taken this long i don't recall knocking it or dropping it anywhere on either journey to either circuit the past few weekends, but i guess *something* must have happened for this to be the end result!
bella is offline  
__________________
devils advocate in-chief and professional arguer of both sides
Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Nikon lens for sale David L Motorsport Art & Photography 2 5 Nov 2007 01:36
Nikon Lens Question adz_34 Motorsport Art & Photography 14 3 Apr 2006 20:22
Camer lens in on board camera Smurfer Formula One 13 6 Nov 2005 21:18
Nikon F55 and auto-focus with a 50-500mm lens Suzy Motorsport Art & Photography 6 3 Jun 2004 20:53


All times are GMT. The time now is 20:29.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Original Website Copyright © 1998-2003 Craig Antil. All Rights Reserved.
Ten-Tenths Motorsport Forums Copyright © 2004-2021 Royalridge Computing. All Rights Reserved.
Ten-Tenths Motorsport Forums Copyright © 2021-2022 Grant MacDonald. All Rights Reserved.